Add support for media recorders in Camera1Capturer.

BUG=b/36684011

Review-Url: https://codereview.webrtc.org/2861893003
Cr-Commit-Position: refs/heads/master@{#18024}

webrtc/sdk/android/api/org/webrtc/Camera1Capturer.java

@@ -28,11 +28,8 @@ public class Camera1Capturer extends CameraCapturer {
       CameraSession.Events events, Context applicationContext,
       SurfaceTextureHelper surfaceTextureHelper, MediaRecorder mediaRecorder, String cameraName,
       int width, int height, int framerate) {
-    if (mediaRecorder != null) {
-      throw new RuntimeException("MediaRecoder is not supported for camera 1.");
-    }
-    Camera1Session.create(createSessionCallback, events, captureToTexture, applicationContext,
-        surfaceTextureHelper, Camera1Enumerator.getCameraIndex(cameraName), width, height,
-        framerate);
+    Camera1Session.create(createSessionCallback, events,
+        captureToTexture || (mediaRecorder != null), applicationContext, surfaceTextureHelper,
+        mediaRecorder, Camera1Enumerator.getCameraIndex(cameraName), width, height, framerate);
   }
 }

webrtc/sdk/android/instrumentationtests/src/org/webrtc/Camera1CapturerUsingByteBufferTest.java

@@ -15,6 +15,7 @@ import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.LargeTest;
 import android.support.test.filters.MediumTest;
 import android.support.test.filters.SmallTest;
+import java.io.IOException;
 import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.junit.After;
 import org.junit.Before;
@@ -120,6 +121,12 @@ public class Camera1CapturerUsingByteBufferTest {
     fixtures.cameraEventsInvoked();
   }
 
+  @Test
+  @MediumTest
+  public void testUpdateMediaRecorder() throws InterruptedException, IOException {
+    fixtures.updateMediaRecorder(false /* useSurfaceCapture */);
+  }
+
   // Test what happens when attempting to call e.g. switchCamera() after camera has been stopped.
   @Test
   @MediumTest

webrtc/sdk/android/instrumentationtests/src/org/webrtc/Camera1CapturerUsingTextureTest.java

@@ -15,6 +15,7 @@ import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.LargeTest;
 import android.support.test.filters.MediumTest;
 import android.support.test.filters.SmallTest;
+import java.io.IOException;
 import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.junit.After;
 import org.junit.Before;
@@ -115,6 +116,12 @@ public class Camera1CapturerUsingTextureTest {
     fixtures.cameraEventsInvoked();
   }
 
+  @Test
+  @MediumTest
+  public void testUpdateMediaRecorder() throws InterruptedException, IOException {
+    fixtures.updateMediaRecorder(false /* useSurfaceCapture */);
+  }
+
   // Test what happens when attempting to call e.g. switchCamera() after camera has been stopped.
   @Test
   @MediumTest

webrtc/sdk/android/instrumentationtests/src/org/webrtc/CameraVideoCapturerTestFixtures.java

@@ -509,20 +509,8 @@ class CameraVideoCapturerTestFixtures {
   }
 
   @TargetApi(21)
-  public void updateMediaRecorder(boolean useSurfaceCapture)
-      throws InterruptedException, IOException {
-    final CapturerInstance capturerInstance = createCapturer(false /* initialize */);
-    final VideoTrackWithRenderer videoTrackWithRenderer =
-        createVideoTrackWithRenderer(capturerInstance.capturer);
-    // Wait for the camera to start so we can add and remove MediaRecorder.
-    assertTrue(videoTrackWithRenderer.rendererCallbacks.waitForNextFrameToRender() > 0);
-
-    final String videoOutPath = Environment.getExternalStorageDirectory().getPath()
-        + "/chromium_tests_root/testmediarecorder.mp4";
-    File outputFile = new File(videoOutPath);
-
-    // Create MediaRecorder object
-    MediaRecorder mediaRecorder = new MediaRecorder();
+  private static void prepareMediaRecorderForTests(
+      MediaRecorder mediaRecorder, File outputFile, boolean useSurfaceCapture) throws IOException {
     mediaRecorder.setVideoSource(
         useSurfaceCapture ? MediaRecorder.VideoSource.SURFACE : MediaRecorder.VideoSource.CAMERA);
     CamcorderProfile profile = CamcorderProfile.get(CamcorderProfile.QUALITY_480P);
@@ -537,6 +525,28 @@ class CameraVideoCapturerTestFixtures {
     mediaRecorder.setVideoEncoder(profile.videoCodec);
     mediaRecorder.setOutputFile(outputFile.getPath());
     mediaRecorder.prepare();
+  }
+
+  @TargetApi(21)
+  public void updateMediaRecorder(boolean useSurfaceCapture)
+      throws InterruptedException, IOException {
+    final CapturerInstance capturerInstance = createCapturer(false /* initialize */);
+    final VideoTrackWithRenderer videoTrackWithRenderer =
+        createVideoTrackWithRenderer(capturerInstance.capturer);
+    // Wait for the camera to start so we can add and remove MediaRecorder.
+    assertTrue(videoTrackWithRenderer.rendererCallbacks.waitForNextFrameToRender() > 0);
+
+    final String videoOutPath = Environment.getExternalStorageDirectory().getPath()
+        + "/chromium_tests_root/testmediarecorder.mp4";
+    File outputFile = new File(videoOutPath);
+
+    // Create MediaRecorder object
+    MediaRecorder mediaRecorder = new MediaRecorder();
+    if (useSurfaceCapture) {
+      // When using using surface capture, media recorder has to be prepared before adding it to the
+      // camera.
+      prepareMediaRecorderForTests(mediaRecorder, outputFile, useSurfaceCapture);
+    }
 
     // Add MediaRecorder to camera pipeline.
     final boolean[] addMediaRecorderSuccessful = new boolean[1];
@@ -550,6 +560,7 @@ class CameraVideoCapturerTestFixtures {
           }
           @Override
           public void onMediaRecorderError(String errorDescription) {
+            Logging.e(TAG, errorDescription);
             addMediaRecorderSuccessful[0] = false;
             addBarrier.countDown();
           }
@@ -561,6 +572,11 @@ class CameraVideoCapturerTestFixtures {
     assertTrue(addMediaRecorderSuccessful[0]);
 
     // Start MediaRecorder and wait for a few frames to capture.
+    if (!useSurfaceCapture) {
+      // When using using camera capture, media recorder has to be prepared after adding it to the
+      // camera.
+      prepareMediaRecorderForTests(mediaRecorder, outputFile, useSurfaceCapture);
+    }
     mediaRecorder.start();
     for (int i = 0; i < 5; i++) {
       assertTrue(videoTrackWithRenderer.rendererCallbacks.waitForNextFrameToRender() > 0);

webrtc/sdk/android/src/java/org/webrtc/Camera1Session.java

@@ -11,6 +11,7 @@
 package org.webrtc;
 
 import android.content.Context;
+import android.media.MediaRecorder;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.view.Surface;
@@ -52,8 +53,8 @@ class Camera1Session implements CameraSession {
 
   public static void create(final CreateSessionCallback callback, final Events events,
       final boolean captureToTexture, final Context applicationContext,
-      final SurfaceTextureHelper surfaceTextureHelper, final int cameraId, final int width,
-      final int height, final int framerate) {
+      final SurfaceTextureHelper surfaceTextureHelper, final MediaRecorder mediaRecorder,
+      final int cameraId, final int width, final int height, final int framerate) {
     final long constructionTimeNs = System.nanoTime();
     Logging.d(TAG, "Open camera " + cameraId);
     events.onCameraOpening();
@@ -96,8 +97,9 @@ class Camera1Session implements CameraSession {
     // Calculate orientation manually and send it as CVO insted.
     camera.setDisplayOrientation(0 /* degrees */);
 
-    callback.onDone(new Camera1Session(events, captureToTexture, applicationContext,
-        surfaceTextureHelper, cameraId, camera, info, captureFormat, constructionTimeNs));
+    callback.onDone(
+        new Camera1Session(events, captureToTexture, applicationContext, surfaceTextureHelper,
+            mediaRecorder, cameraId, camera, info, captureFormat, constructionTimeNs));
   }
 
   private static void updateCameraParameters(android.hardware.Camera camera,
@@ -145,9 +147,9 @@ class Camera1Session implements CameraSession {
   }
 
   private Camera1Session(Events events, boolean captureToTexture, Context applicationContext,
-      SurfaceTextureHelper surfaceTextureHelper, int cameraId, android.hardware.Camera camera,
-      android.hardware.Camera.CameraInfo info, CaptureFormat captureFormat,
-      long constructionTimeNs) {
+      SurfaceTextureHelper surfaceTextureHelper, MediaRecorder mediaRecorder, int cameraId,
+      android.hardware.Camera camera, android.hardware.Camera.CameraInfo info,
+      CaptureFormat captureFormat, long constructionTimeNs) {
     Logging.d(TAG, "Create new camera1 session on camera " + cameraId);
 
     this.cameraThreadHandler = new Handler();
@@ -162,6 +164,11 @@ class Camera1Session implements CameraSession {
     this.constructionTimeNs = constructionTimeNs;
 
     startCapturing();
+
+    if (mediaRecorder != null) {
+      camera.unlock();
+      mediaRecorder.setCamera(camera);
+    }
   }
 
   @Override